Detection Engineer

Salary: £? - ? per year

Requirements:

• 3–5 years experience across technology operations, development, or security
• Hands-on experience writing and developing security detections
• Strong understanding of threat hunting and defensive security
• Experience working with threat intelligence and translating it into actionable detections
• Experience in a large financial services organisation or similarly complex, highly regulated environment
• Comfortable working in an Agile/Scrum delivery environment
• Curious and technically minded, with a strong interest in investigating how attackers operate and how their activity can be detected

Responsibilities:

• Develop high-quality detection use cases using external threat intelligence and internal security data
• Analyse intelligence and translate it into effective detections for the organisation
• Use Red Team outputs to identify gaps, understand attack techniques, and determine where to detect malicious activity
• Conduct threat hunting and identify opportunities to improve defensive coverage
• Work closely with security and technology teams to understand the environment and optimise detection capability
• Deliver detection engineering through Agile, sprint-based, and Scrum ways of working

Technologies:

• Security
• Cloud
• DevOps

More:

We are recruiting Detection Engineers to join a leading banks growing internal defensive security team. The team is expanding its dedicated detection capability, establishing detection engineering as a specialist, full-time discipline. Youll focus entirely on defensive security and threat hunting, with an emphasis on building high-quality detections rather than simply increasing volume, and work with a global team across the UK, Poland, and Mexico. The role is based in Sheffield or London, with 1–2 days per week onsite. It is an initial six-month contract, paying £600 per day via umbrella, inside IR35.

last updated 40 week of 2026